cci 수정

backend/src/main/java/com/goldenchart/service/CciOnSourceIndicator.java

@@ -7,12 +7,34 @@ import org.ta4j.core.indicators.averages.SMAIndicator;
 import org.ta4j.core.indicators.statistics.MeanDeviationIndicator;
 import org.ta4j.core.num.Num;
 
+import java.util.HashMap;
+import java.util.Map;
+
 /**
  * TradingView/업비트 CCI — 임의 가격 소스에 대해
  * (src - SMA) / (0.015 × MeanDeviation) 계산.
  */
 public class CciOnSourceIndicator extends CachedIndicator<Num> {
 
+    /** 업비트·TradingView 기본: hlc3(고저종), 기간 13, 신호 SMA 10 */
+    public static Map<String, Object> normalizeParams(Map<String, Object> p) {
+        Map<String, Object> out = new HashMap<>(p);
+        String maType = String.valueOf(p.getOrDefault("maType", "SMA"));
+        int length = intParam(p, "length", 13);
+        int maLength = intParam(p, "maLength", 10);
+        String src = String.valueOf(p.getOrDefault("src", "hlc3"));
+        if ("close".equals(src) && length == 13 && maLength == 10 && "SMA".equals(maType)) {
+            src = "hlc3";
+        }
+        out.put("src", src);
+        return out;
+    }
+
+    private static int intParam(Map<String, Object> p, String k, int def) {
+        Object v = p.get(k);
+        return v == null ? def : ((Number) v).intValue();
+    }
+
     private final Indicator<Num> price;
     private final SMAIndicator sma;
     private final MeanDeviationIndicator meanDeviation;